84 lines
3.5 KiB
OpenSCAD
84 lines
3.5 KiB
OpenSCAD
/*
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This file is part of SBC Case Builder https://github.com/hominoids/SBC_Case_Builder
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Copyright 2022,2023,2024 Edward A. Kisiel hominoid@cablemi.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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Code released under GPLv3: http://www.gnu.org/licenses/gpl.html
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*/
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/*
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NAME: keyhole
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DESCRIPTION: enclosed keyhole
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TODO: none
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USAGE: keyhole(keysize, mask)
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keysize[0] = size_x
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keysize[1] = size_y
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keysize[2] = size_z
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mask[0] = true enables component mask
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mask[1] = mask length
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mask[2] = mask setback
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mask[3] = mstyle "default"
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*/
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module keyhole(keysize, mask) {
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enablemask = mask[0];
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mlength = mask[1];
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msetback = mask[2];
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mstyle = mask[3];
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adj=.01;
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$fn = 90;
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if(enablemask == true && mstyle == "default") {
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union() {
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translate([0, 0, -adj]) cylinder(h=keysize[3]+2*adj, d=keysize[0]);
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translate([-keysize[1]/2, 0, -adj]) cube([keysize[1], keysize[2]+keysize[0]/2, keysize[3]+2*adj]);
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translate([0, -keysize[1]/2, -adj]) cube([keysize[2]+keysize[0]/2, keysize[1], keysize[3]+2*adj]);
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}
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}
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else {
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difference() {
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union() {
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translate([0, 0, -adj])
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difference() {
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difference() {
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translate([-keysize[2], -keysize[2], keysize[3]]) cube([keysize[2]*3, keysize[2]*3, 4.5]);
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translate([0, -10, 0]) rotate([0, 0, 135]) cube([20, 10, 10]);
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translate([keysize[2], keysize[2], -adj]) cube([keysize[2]*3, keysize[2]*3, keysize[3]+5]);
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}
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difference() {
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translate([-keysize[2]+2, -keysize[2]+2, keysize[3]-adj])
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cube([-4+keysize[2]*3, -4+keysize[2]*3, 3.5]);
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translate([2, -10, 0]) rotate([0, 0, 135]) cube([20, 10, 10]);
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translate([+keysize[2]-2, keysize[2]-2, -adj])
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cube([keysize[2]*3, keysize[2]*3, keysize[3]+5]);
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}
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}
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difference() {
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translate([-keysize[2], -keysize[2], 0]) cube([keysize[2]*3, keysize[2]*3, keysize[3]]);
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translate([0, -10, -adj]) rotate([0, 0, 135]) cube([20, 10, 10]);
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}
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}
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translate([keysize[2], keysize[2], -adj]) cube([keysize[2]*3, keysize[2]*3, keysize[3]+2*adj]);
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union() {
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translate([0, 0, -adj]) cylinder(h=keysize[3]+2*adj, d=keysize[0]);
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translate([-keysize[1]/2, 0, -adj]) cube([keysize[1], keysize[2]+keysize[0]/2, keysize[3]+2*adj]);
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translate([0, -keysize[1]/2, -adj]) cube([keysize[2]+keysize[0]/2, keysize[1], keysize[3]+2*adj]);
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}
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}
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}
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} |